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drm/i915: Pass connector state to intel_panel_set_backlight_acpi 

Passing the state is also needed to convert the backlight functions
to use the correct state instead of looking it up.

This is done as a separate commit to allow easier bisecting.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100022
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170612102115.23665-3-maarten.lankhorst@linux.intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
hifive-unleashed-5.1
Maarten Lankhorst 2017-06-12 12:21:14 +02:00
parent b037d58f97
commit 90d7cd2403
3 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/intel_drv.h
View File

@ -1712,7 +1712,7 @@ void intel_pch_panel_fitting(struct intel_crtc *crtc,
void intel_gmch_panel_fitting(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config,
int fitting_mode);
void intel_panel_set_backlight_acpi(struct intel_connector *connector,
void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state,
u32 level, u32 max);
int intel_panel_setup_backlight(struct drm_connector *connector,
enum pipe pipe);

2
drivers/gpu/drm/i915/intel_opregion.c
View File

@ -461,7 +461,7 @@ static u32 asle_set_backlight(struct drm_i915_private *dev_priv, u32 bclp)
DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp);
drm_connector_list_iter_begin(dev, &conn_iter);
for_each_intel_connector_iter(connector, &conn_iter)
intel_panel_set_backlight_acpi(connector, bclp, 255);
intel_panel_set_backlight_acpi(connector->base.state, bclp, 255);
drm_connector_list_iter_end(&conn_iter);
asle->cblv = DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID;

8
drivers/gpu/drm/i915/intel_panel.c
View File

@ -671,21 +671,21 @@ static void intel_panel_set_backlight(struct intel_connector *connector,
/* set backlight brightness to level in range [0..max], assuming hw min is
* respected.
*/
void intel_panel_set_backlight_acpi(struct intel_connector *connector,
void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state,
u32 user_level, u32 user_max)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct intel_panel *panel = &connector->panel;
enum pipe pipe = intel_get_pipe_from_connector(connector);
u32 hw_level;
/*
* INVALID_PIPE may occur during driver init because
* Lack of crtc may occur during driver init because
* connection_mutex isn't held across the entire backlight
* setup + modeset readout, and the BIOS can issue the
* requests at any time.
*/
if (!panel->backlight.present || pipe == INVALID_PIPE)
if (!panel->backlight.present || !conn_state->crtc)
return;
mutex_lock(&dev_priv->backlight_lock);